Dental breath-guard



(No Model.)

0. O. SOUTHWELL.

' DENTAL BREATH GUARD.

Pate (Qggune 2, 1885 WZ/fiessesj STATES N ITE :l

time.

DENTAL BREATH GUARD.

SPECIFICATION forming part of Letters Patent No. 319,338, dated June2,1885.

Application tilc(l September 17, 1884. (No model.)

T0 or whom it may concern: I

Be it known that I, CHARLES 0. SOUTH- WELL, of Milwaukee, in the countyof Milwaukee, and in the State of Wisconsin, have invented certain newand useful Improvements in Breath-Guards for Dentists Use; and I dohereby declare that the following is a full, clear, and exactdescription thereof.

My invention relates to breath-guards for dentists use; and it consistsin peculiarities of construction, as will be fully describedhereinafter.

In the drawings, Figure l is a perspective view showing my device inposition for use. Fig. 2 is a perspective view of the device detachedfrom the face. Fig. 31s alike view of the supporting-plate, and Fig. 4shows in perspective also one form of the breath-guard.

A is the supportingplate of my device, which is bent rearward and hasits upper edge concaved, so as to conform to the parts of the face onwhich it is to be applied-that is, the upper lip and the base of thenostrils. The ends are bent in and under to form the hooks a a, whereinthe upper edge of the rubber dam B is passed, the plate A being thusheld in posi tion, as desired.

In the center of thesupporting-plate A, and made integral with the sameby punching, or fastened in any suitable manner on its outer face, isthe staple (1, wherein is received the lug c, that is hinged orotherwise attached to the inner edge of the breath-guard O. This lattermay be made of various forms, according to the location of the toothbeing operated upon, and consequently according to the position theoperator has to take in relation to it, and also to the direction of theexhaled breath of the sitter. The guard is for that reasoninterchangeable, its connection with the supporting-plate adapting it tobe readily removed and replaced to suit the circumstances sired.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. In a dental breath-guard, the combination of a support adapted to fitthe upper lip with a guard hinged thereto, so as to be capable ofadjustment, as described.

2. The combination of the plate A, having staple a and fastenings a e,the breath-guard 0, having the lug c, and the band D, substantially asshown and described, and for the purpose set forth.

8. In combination with the rubber dam B and fastenings, thesupporting-plate A, having hooks a a, staple a, and fastenings a 0?, thebreathguard 0, having the lug c, and the band D, substantially as shownand described, and for the purpose set forth.

In testimony that I claim the foregoing I have hereunto set my hand, atMilwaukee, in the county of Milwaukee and State of Wisconsin, in thepresence of two witnesses.

CH AS. 0. SOUTHWELL. \Vitncsses:

S. S. STOUT,

H. J. FORSYTHE.

